COUNTY REPORT MT

Pondera County, Montana

4 ZIP codes · Avg score 53/100 · Grade D · Updated 2026-06-04

While Pondera County's situation varies by ZIP, its 4 ZIP codes collectively fall below the state average — addressing specific concerns starts with checking the system that serves a given address.

How Pondera County Compares

Pondera County53/100
Montana avg55/100
National avg68/100

How Pondera County Compares

D
County Grade
53/100
Avg Safety Score
4
ZIP Codes
10
Water Systems

Pondera County scores 2 points below the Montana state average (55/100) and 15 points below the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-04

D
County Grade
53
Avg Safety Score
4
ZIP Codes
Best ZIP: 59486 (63/100)
Lowest ZIP: 59448 (40/100)
$155K
Median Home Value
$1,500
Avg Remediation (97% of home value)

Key Risk Factors

Health risk index: 15.3 (asthma 12.3%, diabetes 13.6%)

Estimated additional annual cost per homeowner: $793, driven primarily by energy_code_gap

Infrastructure: 0.45% avg pipe failure probability, 75% of ZIPs at high risk

72.8% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 12.3% (national: 8.9%)
Diabetes 13.6% (national: 10.5%)
Obesity 37.2% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1967
Median Build Year
72.8%
Pre-1978 Housing
45%
Pipe Failure Probability
75%
ZIPs at High Infra Risk
High
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $793

Energy Code Gap $338/yr
Water / Lead $300/yr
Underground Tanks $80/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

2,757 housing units in Pondera County

Pre-1940 21%
1940–1959 27%
1960–1979 25%
1980–1999 15%
2000+ 13%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Pondera County

$155K
Median Home Value
$1,500
Est. Remediation Cost
1.0%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Pondera County, representing a small fraction of property value.

Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.

Health Outcomes vs National Average

CDC PLACES data for Pondera County residents

Asthma 12.3% (US avg: 8.9%)
Diabetes 13.6% (US avg: 11%)
Obesity 37.2% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water Systems with Most Violations

Top 5 systems in Pondera County ranked by EPA violation count.

# Water System Population Violations
1 Tiber County Water District 750 17
2 Brady County Water Sewer District 144 9
3 Conrad Water Department 2,500 8
4 Ncmrwa Pondera Company Service Area 144 8
5 New Miami Colony 130 8

10 total water systems serve Pondera County.

All ZIP Codes in Pondera County

4 ZIP codes tracked in Pondera County.

# ZIP Code City Safety Score Grade Violations Home Value
1 59486 Valier 63 C 6 $145K
2 59416 Brady 55 C 9 (3 health) $165K
3 59425 Conrad 55 C 8 (3 health) $191K
4 59448 Heart Butte 40 D 0 $48K

Recommended Buyer Guides for Pondera County

Four sources — EPA, NSF, FEMA, CDC — drive the match.

Overview

Pondera County in Montana covers 4 ZIP codes with an average Home Safety Score of D (53/100).

3 of 4 ZIP codes have recorded EPA violations. 6 health-based violations have been documented.

← Back to Montana water quality report

Data Sources

Updated daily.

What You Can Do

Pondera County has a grade of D. Here are steps to protect your household.

1

Test your tap water

Order a certified lab test kit ($20-$50) to check for lead, bacteria, and other contaminants specific to your ZIP code.

2

Consider a certified water filter

NSF-certified filters can remove most common contaminants. Match the filter to your test results for best protection. Try our filter matcher

3

Contact your water utility

Request the latest Consumer Confidence Report (CCR) from your water provider. It details exactly what was found in your water supply.

4

Check for lead in your home

72.8% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.

Frequently Asked Questions

Is water safe in Pondera County?
Pondera County receives a grade of D. 2 of 4 ZIP codes have health-based violations. Independent water testing is recommended.
How many water systems serve Pondera County?
Pondera County is served by 10 public water systems that supply drinking water to residents across 4 ZIP codes.
What is the biggest environmental risk in Pondera County?
The primary environmental risk factor in Pondera County is energy_code_gap. This contributes to an estimated additional annual cost of $793 per homeowner.
How old are homes in Pondera County?
The median home build year in Pondera County is 1967. 72.8% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Pondera County compare to Montana?
Pondera County has an average water safety score of 53/100, which is below the Montana state average of 55/100.

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